Add 21/56 and 9/8
1st number: 21/56, 2nd number: 1 1/8
21/56 + 9/8 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
9/8 = 9 × 7/8 × 7 = 63/56 - Add the two like fractions:
21/56 + 63/56 = 21 + 63/56 = 84/56 - 84/56 simplified gives 3/2
- So, 21/56 + 9/8 = 3/2
In mixed form: 11/2
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